Bump actions/attest-build-provenance from 1 to 2 (#331)

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 1 to 2.
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](actions/attest-build-provenance@v1...v2)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -197,7 +197,7 @@ jobs:
 
     - name: Attest build artifacts for release
       if: startsWith(github.ref, 'refs/tags/v')
-      uses: actions/attest-build-provenance@v1
+      uses: actions/attest-build-provenance@v2
       with:
         subject-path: ${{ env.ARTIFACT_DIR }}/*
 
@@ -382,7 +382,7 @@ jobs:
 
     - name: Attest build artifacts for release
       if: startsWith(github.ref, 'refs/tags/v')
-      uses: actions/attest-build-provenance@v1
+      uses: actions/attest-build-provenance@v2
       with:
         subject-path: ${{ env.ARTIFACT_DIR }}/*
 
@@ -476,7 +476,7 @@ jobs:
 
     - name: Attest build artifacts for release
       if: startsWith(github.ref, 'refs/tags/v')
-      uses: actions/attest-build-provenance@v1
+      uses: actions/attest-build-provenance@v2
       with:
         subject-path: ${{ env.ARTIFACT_DIR }}/*
 
@@ -552,7 +552,7 @@ jobs:
 
     - name: Attest build artifacts for release
       if: startsWith(github.ref, 'refs/tags/v')
-      uses: actions/attest-build-provenance@v1
+      uses: actions/attest-build-provenance@v2
       with:
         subject-path: ${{ env.ARTIFACT_DIR }}/*